摘要: |
采用Schapery蠕变型非线性粘弹性本构模型并用M C方法 ,分析蠕变实验数据 ,研究了HTPB复合固体推进剂非线性本构关系。结果表明 ,该方法可以减少加卸载时数据波动的影响 ,降低参数拟合对实验条件的要求。Schapery非线性模型较好地反映了HTPB复合固体推进剂的力学性能 ,可以用于固体推进剂的力学分析 |
关键词: 端羟基聚丁二烯推进剂 粘弹性力学 非线性结构分析 本构方程 蠕变试验 |
DOI: |
分类号:V435 |
基金项目: |
|
Non-linear constitutive equation of HTPB composite solid propellant |
Zhang Yongjing, Zhao Guanghui, Yang Jianhong, Qiang Hongfu
|
Second Artillery Engineering Coll ,Xi′an 710025,China
|
Abstract: |
In order to study HTPB composite solid propellant nonlinear constitutive equation,the Schapery non-linear model and the M-C method were adopted.The results show that the method can decrease the influence of data wavy caused by experiment condition Conclusion and Schapery non-linear model preferably reflects HTPB composite solid propellant mechanic properties |
Key words: Hydroxy terminated polybutadient propellant Visco elastic mechanics Nonlinear structural analysis Constitutive equations Creep test |